1/21/2017 new driver models for direct download:1105
Aten Us421 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Aten Us421
Certifications for Aten Us421
5 stars for Aten Us421 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 1/21/2017 Updates

All drivers on are updated on daily basis.

However, a new version of Aten Us421 might have been uploaded since our last site update.

Aten Us421 Driver Download

Windows Compatibility for Aten Us421 driver

Aten Us421 Driver Details:

Aten Us421 File Name:

Aten Us421 Driver Version: 373j-Jp

Aten Us421 ZIP Size: 112.kb

Manufacturer: Aten

Aten Us421 was fully scanned at: 1/17/2017
Scan Status: driver download scanOK

Aten Us421 special revision for: Windows XP Media Center Edition 64 bit, Windows XP Professional 64 bit, Windows XP Starter Edition 64 bit, Windows Vista Home Premium 32 bit, Windows XP Media Center Edition 2003 64 bit, Windows Vista Business 32 bit, Windows 7 Starter 64 bit, Windows XP Home Edition N 64 bit, Windows XP Media Center Edition 2005 32 bit, Windows 7 Home Premium 32 bit, Windows Vista Home Basic 64 bit, Windows 8 64 bit, Windows XP Home Edition, for home desktops and laptops 64 bit, Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0) 64 bit

Aten Us421 Download Stats:

Driver Uploaded: 11/28/2016

Direct Downloads: 269
Most Recent Download: 1/18/2017
Managed Downloads: 5697
Most Recent Download: 1/19/2017
Download Mirrors: 3
Current Delay: 22 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 221/269 Users

Success Reported By 40/221 Users

Driver Download Score60/100

Driver Installation Score64/100

Overall preformance Score71/100

Aten Us421 18 Thumbs Up18Thumbs
Aten Us421 3 Thumbs Down3Thumbs
Aten Us421 driver direct download was reported as adequate by a large percentage of our reporters, so it should be good to download and install.

Installation Manager Success Stats:

Reports Issued By 5682/5697 Users

Success Reported By 5107/5682 Users

Driver Download Score83/100

Driver Installation Score80/100

Overall preformance Score87/100

Aten Us421 4880 Thumbs Up4880Thumbs
Aten Us421 494 Thumbs Down494Thumbs
Aten Us421 driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.


1. Direct Download

Select your OS and press "Download".

This option requires basic OS understanding.
Select Your Operating System, download zipped files, and then proceed to
manually install them.
Recommended if Aten Us421 is the only driver on your PC you wish to update.


2. Driver Installation Manager

This option requires no OS understanding.
Automatically scans your PC for the specific required version of Aten Us421 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Aten Us421, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

Don’t have a password?
Please register, and get one.

Aten Us421 may sometimes be at fault for other drivers ceasing to function

These are the driver scans of 2 of our recent wiki members*

*Scans were performed on computers suffering from Aten Us421 disfunctions.

Scan performed on 1/21/2017, Computer: Lenovo ThinkPad SL410

Outdated or Corrupted drivers:4/18

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) processor Integrated Memory Controller Channel 0 Rank Registers - 2CA2Corrupted By Aten Us421
Mice And Touchpads
Logicool HID-compliant mouseCorrupted By Aten Us421
Razer USA HID mouseCorrupted By Aten Us421
Usb Devices
Advanced Micro Devices AMD USB 3.0 Root HubUp To Date and Functioning
Logitech Logitech USB Camera (Fusion)Up To Date and Functioning
Microsoft Standard-USB-HubUp To Date and Functioning
Sound Cards And Media Devices
Realtek Enheden High Definition AudioUp To Date and Functioning
Network Cards
Intel(R) Centrino(R) Advanced-N 6250 AGNUp To Date and Functioning
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Advanced Micro Devices AMD PCI IDE ControllerUp To Date and Functioning
Point Grey Research OHCI-konformer Texas Instruments 1394-HostcontrollerUp To Date and Functioning
ClockworkMod CDC SerialUp To Date and Functioning
Cameras, Webcams And Scanners
EPSON EPSON Stylus CX6400Up To Date and Functioning
Video Cards
ATI RADEON X600 Series (Microsoft Corporation - WDDM)Up To Date and Functioning
Input Devices
Logitech Logitech WingMan Digital DeviceCorrupted By Aten Us421
Port Devices
PROLiNK PROLiNK Diagnostics Device (COM8)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 1/21/2017, Computer: LG R580-U.ARC2BT

Outdated or Corrupted drivers:6/20

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 945G/GZ/GC/P/PL PCI Express Root Port - 2771Corrupted By Aten Us421
Mice And Touchpads
Genius USB Scroll MouseOutdated
Usb Devices
Intel Periferica di archiviazione di massa USBUp To Date and Functioning
Sound Cards And Media Devices
Realtek Periferica audio su bus High Definition AudioUp To Date and Functioning
Microsoft Microsoft LifeCam VX-2000.Corrupted By Aten Us421
Network Cards
Ericsson AB Ericsson H5321 gwCorrupted By Aten Us421
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Intel(R) ESB2 SATA AHCI ControllerUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 6Up To Date and Functioning
Texas Instruments Texas Instruments PCIxx21 Integrated FlashMedia ControllerUp To Date and Functioning
Microsoft Texas Instruments PCI-7x20/6x20 CardBus ControllerUp To Date and Functioning
Intel Port racine express PCI Intel(R) 82801FB/FBM PCI - 2660Up To Date and Functioning
Texas Instruments Texas Instruments PCI-4520 CardBus ControllerUp To Date and Functioning
Point Grey Research Texas Instruments 1394 OHCI Compliant Host ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
USB2.0 PC CAMERA Periferica video USBUp To Date and Functioning
Video Cards
VIA/S3G VIA/S3G UniChrome Pro IGPOutdated
Input Devices
Lenovo Lenovo USB Optical Wheel Mouse (HID)Up To Date and Functioning
Port Devices
MediaTek DA USB VCOM Port (COM11)Corrupted By Aten Us421
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Aten Us421 1.121.129/23/201412/28/2016aten_us421-1.121.12.exe147kbSony VGC-JS94FS, IBM 23731G2, IBM 8212A94, Toshiba Satellite T130-11U, IBM 1843A19, Lenovo 6075Y74, NCR 7403-1010-8801, HP RR460AA-ABF s7740.f, NEC PC-MY30AEZ77, National NI PXI-8106 Embedded Controlle, Lenovo 2689PZG, and more.
Aten Us421 2.1297612/14/201412/29/2016aten_us421-2.12976.exe76kbNEC PC-LL750MG1N, HP HP Compaq nx6125, Lenovo ThinkPad SL510, HP 500-129, NEC PC-MT6005A, HP HP Pavilion dv9575EM, Gateway CT5628, Seneca U53131, Packard Bell EasyNote_MX37-V-058NL, Packard Bell IMEDIA MC 5303, HP Pavilion ze4400, IBM 1829W1E, HP HP Compaq nx6130, HP AW010AAR-ABA p6210t, HP PN135AA-ABU, IBM 18445GU, Gateway Gateway M460, and more.
Aten Us421 6002712/12/201412/27/2016aten_us421-60027.exe153kbIBM 8419KMA, MCJ AMIS, Compaq EV971AA-ABF SR1860FR FR620, Toshiba SATELLITE PRO L770-149, HP PX662AA-AB9, Lenovo ThinkPad X121e, Lenovo ThinkPad Edge 15, MSI PR420, NEC Express5800/120Eh [N8100-1287, IBM 8171Z5S, Toshiba Dynabook EX/2513CDSTB, Gateway MC7803U, HP PW706AA-ABM W5010LA, and more.
Aten Us421 71.171.1611/1/201412/30/2016tbjq-71.171.16.exe93kbNEC PC-LS350ES1KR, HP HP Compaq DC5850, Apple Macmini1,1, Apple Macmini1,1, Compaq PS245AA-ABF SR1339FR FR510, Lenovo Lenovo G470, Fujitsu FMVA42EWB, HP HP Compaq nc6320, HP PW689AA-ABS D4085.SE, Fujitsu FMVNB70E, Panasonic CF-S10DVCDP, Dell PowerVault NX3200, IBM 2668VMY, IBM 8187SYU, and more.
Aten Us421 X3298210/14/201412/29/2016eepuknhz-x32982.exe217kbLG X130-G.A7B1E1, Lenovo Lenovo N500 Notebook, HP ED758AA-ABS, Sony PCG-Z1WAMP, Prosys Prosys, Gateway MX8734, IBM IBM System x3400 M3 Server -[7379AC1, Sony VGN-Z90NS, IBM 187134M, Lenovo ThinkPad SL400, Sony VPCZ23M9E, Panasonic CF-53AAC01FD, HP Presario C500, IBM 8212MNA, HP EJ218AA-B14, Sony VPCCW25FL, and more.
Aten Us421 2.104822/10/201512/29/2016aten_us421-2.10482.exe131kbLG S535-PE5WK, Samsung N130, NEC PC-MY26AEZR4, HP NQ973AA-ABF p6032f, HP Compaq Mozart CQ50-112eo, HCL Infosystems LUMINA2-LD, IBM 842777G, Lenovo ThinkPad X1 Carbon, WIPRO WIV37455-0067, IBM 8171ZCQ, Toshiba Dynabook T350/34BCS, HP PX813AA-ABX, Dell OptiPlex GX1 500Mbr+, MSI MS-6508, and more.
Aten Us421 81.10671/28/201512/27/2016aten_us421-81.1067.exe60kbINVESTRONICA PTC-Q965, ASUS F6Ve, HP HP Pavilion dv1000, HP HP Pavilion DV6-3206AX, Medion P6611, Sony VGN-CS26G_C, Sony VGN-TZ37LN_R, Packard Bell OneTwo M3450, Positivo POS, Sony VGN-SZ7AWN_C, Sony VGN-TZ31XN_B, Toshiba S2400-103, and more.
Aten Us421 N2.101.172.110/28/201412/27/2016aten_us421-n2.101.172.1.exe96kbSony PCG-Z1WAMP, Compaq EL445AA-ABA SR1750NX NA651, Dell OptiPlex GX1 500Mbr+, NEC PC-MY30AEZ5D6T6, HP 810-150se, HP EJ237AA-ABF w5267.f, Acer Aspire 4925, Packard Bell IMEDIA D5230 BE, MSI MS-16GN, IBM 814132U, NEC PC-GV286GLGL, HP HP MINI DM1-2010SO, and more.
Aten Us421 1.132669/26/201412/28/2016aten_us421-1.13266.exe200kbHP HP Compaq 6730b, Packard Bell IXtreme X9702, HP Compaq CQ62, Packard Bell IMEDIA 6430, IBM 23795VU, Lanix LANIX CORP 4030, HP GS184AA-AB0 a6240tw, HP ProLiant WS460c Gen8 WS Blade, HP GT690AA-AB4 IQ780d, HP VN470AA-UUZ m9837ch, Cybernet Manufacturing DeskBook, Lenovo 20AY001DMD, Sony VGN-NS20M_S, Toshiba SATELLITE L850-13U, Sony VPCF135FG, HP PW579AA-ABG m7088a, Sony VGN-Z690TJ, Seneca V63909, and more.
Aten Us421 1.122.1448/23/201412/27/2016aten_us421-1.122.144.exe130kbVIA VT8653-8233, Lenovo ThinkCentre M58p, Lenovo ThinkPad X301, Gigabyte 945GDS1, Toshiba PSC0SE-02E21EFR, HP FK785AA-A2L s3620f, Lenovo 7661ZRG, HP RR496AA-ABU, ECS H57H-MUS, Sony VGN-UX50, WIPRO WSG37455W7-0082, Gigabyte T1005, MCJ Z37S, NEC VERSAE6300 RNF41103088, HP H9-1168hk, Fujitsu FMVNS3EE, Toshiba SATELLITE C855-20M, AMD & ATI P030A, and more.
Aten Us421 621.13911/23/201412/27/2016aten_us421-621.139.exe186kbLenovo ThinkPad T420, Intel LM1WN, Dell OptiPlex GX1 500Mbr+, Supermicro X7QC3, AT AUTOCONT ALLEGRO, HP FL389AA-ABZ a6675it, NEC RND41042195, Sony VGN-CR356_L, NEC PC-VY26AEZ78, Fujitsu FMVNS8YE, Fujitsu FMVD53C011, Packard Bell Easynote sb86, BYTSPD ByteSpeed LLC, HP ED713AA-ABF w5155.f, Toshiba SATELLITE C870D-116, IBM System x3550 M3 -[7944PAA, HP HP Compaq dx6120 MT, Sony VGN-TZ15AN, and more.
Aten Us421 21.13998/29/201412/30/2016aten_us421-21.1399.exe91kbHP Pavilion ze4400, IBM 1829W1E, HP HP Compaq nx6130, HP AW010AAR-ABA p6210t, HP PN135AA-ABU, IBM 18445GU, Gateway Gateway M460, HP DC484A-ABA 894C, HP HP Pavilion dv6-6c73ca, IBM ThinkPad T43p, Acer Aspire M7200, and more.
Aten Us421 23861.112/16/201412/30/2016aten_us421-23861.1.exe33kbHP Pavilion ze4300, HP PAVILION ZV6000, Packard Bell IMEDIA MC 8830, Lenovo 1S16800367700DD, Compaq GU587AA-ABH SR5235NL, HP P5282A-ABA 9995, NEC PC-LL770HG, HP HP Compaq 8710w, HP HP dx2700 MT, HP DV9304EU, and more.
Aten Us421 2.13961.112/23/201412/28/2016aten_us421-2.13961.1.exe115kbAcer NC-V5-531-10076G50MASS, Sony VGN-FE51B_H, HP NM943AA-UUW m9570, HP HP d530 SFF, Panasonic CF-S10AY6DC, Sony VGN-FW55LF_B, NEC PC-VJ25AEZ78, ECS PT880PRO-A, HP HP EliteBook 8460p, Pegatron C17B, Compaq ER922AA-ABA SR1834NX NA661, HP GP G62-A20SY NB, and more.
Aten Us421 433302/5/201512/29/2016aten_us421-43330.exe105kbIBM 26523CU, Acer Aspire 5950G, MCJ MCJ, Gateway FX6800-03h, IBM ThinkPad X41, Extracomputer D2312-C2, HP DV9304EU, HP Hp pavilion ze4900, Sony VGN-TT250N, Sony VGN-FE52B_H, Packard Bell IMEDIA MC 9330, IBM 818388J, Gigabyte GA-6FASV1, IBM ThinkPad X40, Acer Aspire 8943, and more.
Aten Us421 41.12.14410/30/201412/28/2016aten_us421-41.12.144.exe43kbToshiba Dynabook T350/34BCS, Toshiba Satellite A100-999, Lenovo 6071W8L, Acer Aspire AG3731, HP RY889AA-UUW, Sony VGN-CS160F, Toshiba Dynabook SS LX/190DK, Toshiba SATELLITE PRO C850-19G, ARIMA W651DI, Gigabyte P35C-S3, Intel W660DI, HP PY198AV-ABA m7360y, and more.
Aten Us421 2081.11.19/2/201412/28/2016-2081.11.1.exe180kbFujitsu FMVXD4NJ4Z, Viglen VIG615M, Lenovo 3484 - DBG, Lenovo 7360W78, Sony VGN-NW305F, HP FR546AA-ABE a6653es, Fujitsu LIFEBOOK E8310, Acer TravelMate8472TG, ByteSpeed ByteSpeed Laptop UT40, Sony VGN-NS20M_S, IBM ThinkCentre S51, WIPRO WIV52K55-0051, NEC PC-VJ22MAUEHTXV, HP HP HDX 16 Notebook PC, WIPRO WSG37425V-0054, AT PREMIO BINGO, Fujitsu FMVS54KRC, and more.
Aten Us421 C6088611/22/201412/28/2016aten_us421-c60886.exe84kbIBM 237319G, ECS M916, Seneca Pro354493, Sony VGC-RB41P, LG E500-S.AP22R1, Sony VGC-LT1S, HP WC694AA-UUG HPE-110be, LG LS50-UG5F1, Acer Veriton M688G, HP AX685AA-ABJ 300-1150jp, MDGComputers Prism Vx7500VTi, Fujitsu FMVFE90DBY, NEC PC-VK24LFW23RZH, HP FR378AA-ABH, NEC PC-MK29MLZE1RJG, Lenovo 3626A22, HP PL494AA-B14, NEC PC-VJ22ERNCHTLB, HP D7218S-ABA 554Y, and more.
Aten Us421 21.16771/2/201512/30/2016aten_us421-21.1677.exe129kbHP KN283AA-ABM s3445la, Fujitsu FMVXNBLQ2Z, NCR 7457-3500-8801, QUANMAX WB1, Samsung P580, Packard Bell ISTART MC 9100 AIO EU, Lenovo ThinkCentre M71e, Lenovo ThinkServer TS430, Compaq EK346AA-ABZ SR1637IT IT540, Fujitsu FMV8NU1LC5, and more.
Aten Us421 829649/27/201412/28/2016-82964.exe149kbLG R1-CUP1E1, Sony VGC-LS31N, IBM 8172QGW, Dell Studio 1457, Gateway GT5652j, Packard Bell IMEDIA X96844, Gateway LT27, NEC PC-GV18YCZR6, IBM IBM eServer m Mem-[7976KJG, NEC PC-MJ30DLZCA, Sony VGN-FJ21B_R, Sony VGN-CS26G_R, and more.
Aten Us421 4236210/17/201412/29/2016-42362.exe21kbSony VGN-AW15G_H, HP GS275AA-ABU, HP P6740ch-m, HP HPE-280jp, Gateway H5212, IBM Lenovo ThinkServer TS200 -[652512G, Lenovo ThinkCentre M70e, Intel GrossePoint, NEC PC-VK21LLNT3GSC, LG LS50-AC6U1, Fujitsu PRIMERGY RX100 S6, Seneca Pro300475, Toshiba Satellite X505, IBM 8113V7F, Toshiba Dynabook TX/66HPK, and more.
Aten Us421 N1.122.1610/24/201412/28/2016aten_us421-n1.122.16.exe140kbToshiba Dynabook EX/2513CDSTB, Gateway MC7803U, HP PW706AA-ABM W5010LA, HP RA933AA-ABZ, Sony VGN-NW265F, Sony VGN-FW21L, HP 23-b340ef, HP KJ269AA-ABA s3407c, HP FR546AA-ABE a6653es, Fujitsu LIFEBOOK C1410, Packard Bell IMEDIA F5750, HP GG698AA-ABH, NEC PC-MY24RAZ75, Sony SVE1413WPNB, and more.
Aten Us421 41.11.1079/1/201412/29/2016aten_us421-41.11.107.exe173kbToshiba SATELLITE C855-1TE, NEC PC-LL770BD, LG X140-A.AS11B1, IBM ThinkCentre A51p, Sony VPCCA1AFJ, HP FK484AAR-ABA m9400t, Fujitsu FMVXN0484Z, HP EJ218AA-B14, PrimeLine Professional-i7, Sony VGN-G11XRN_B, Packard Bell EasyNote_MT85-T-001PT, NEC PC-MY18AESETM81, and more.
Aten Us421 201.121.18/22/201412/28/2016aten_us421-201.121.1.exe217kbSony VGN-FW26T_B, Compaq ED879AA-ABA SR1638NX NA540, HP DW225A-ABE, Sony VGN-SZ15GP_B, HP NQ852AA-ABH IQ830nl, Fujitsu FMVNFD75B, Sony VPCCW1MFX, HP NE502AAR-ABA a6750t, Sony VPCF132FX, IBM 8215Z4S, IBM ThinkPad X31, HP GG700AA-UUW, NEC PC-MY24ABZE4, Gigabyte G1.Snipe, LG R470-KR30K, LG LM60-15166L, HP HP Compaq 8710w, Toshiba Satellite L850-B750, and more.
Aten Us421 41.18042/27/201512/29/2016aten_us421-41.1804.exe206kbHP A0316001, Fujitsu FMV5NUBKH8, Fujitsu STYLISTIC Q572, Compaq EG735AA-ABH SR1560NL NL530, HP GG692AA-ABZ, Sony VGN-AW37GY_Q, Sony VGN-NS21SR_S, Lenovo 9482W86, NEC PC-VY16GWZR4, HP S5680t, NEC PC-MY30VBZED, Acer Aspire E5-511P, HP HP nx9010, HP GL327AA-ABF a6115.f, and more.

Please Note: There are particular operating systems known to have problems with Aten Us421:
  • Windows 7 Service Pack 1 (Microsoft Windows NT)
  • Windows 7 Home Premium
  • Windows RT
  • Windows 7 Starter
  • Windows XP Media Center Edition
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific Aten Us421 model.
Laptop Aten Us421Tablet Aten Us421Download Aten Us421Upgrade Aten Us421Update Aten Us4212017 Aten Us421Free Aten Us421Data Aten Us421Info Aten Us421Help Aten Us421Guide Aten Us421Comments Aten Us421Windows 10 Aten Us421Vista Aten Us421Windows 7 Aten Us421Install Aten Us421